Press frame e telephone: o que têm em comum

1. Passo 1. Press frame — faz parte de — Screw press. A rigid frame.
2. Passo 2. Screw press — faz parte de — Gutenberg printing press. Gutenberg adapted the screw press known from pressing grapes.
3. Passo 3. Gutenberg printing press — utiliza — Paper. The impression is made on paper.
4. Passo 4. Paper — é material para — Loudspeaker. The cone is paper.
5. Passo 5. Loudspeaker — faz parte de — Telephone. The earpiece reproduces the other person’s voice.

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